<!--
 * @Author: WangGuojian 1085844536@qq.com
 * @Date: 2023-08-05 16:29:55
 * @LastEditTime: 2023-08-05 16:45:06
 * @LastEditors: WangGuojian 1085844536@qq.com
 * @FilePath: \vue-basic\09-监视属性\1.天气案例.html
 * @Description:
-->
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>天气案例</title>
        <script type="text/javascript" src="../js/vue.js"></script>
    </head>
    <body>
        <!-- 准备一个容器 -->
        <div id="root">
            <h2>今天天气很{{info}}</h2>
            <!-- 绑定事件时候：@xxx="yyy" yyy可以写一些简单的的语句 -->
            <!-- <button @click="isHot = !isHot">切换天气</button> -->
            <button @click="changeWeather">切换天气</button>
        </div>
    </body>
    <script type="text/javascript">
        Vue.config.productionTip = false;

        new Vue({
            el: '#root',
            data: {
                isHot: true,
            },
            computed: {
                info() {
                    return this.isHot ? '炎热' : '凉爽';
                },
            },
            methods: {
                changeWeather() {
                    this.isHot = !this.isHot;
                },
            },
        });
    </script>
</html>
